| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/28/2005 | US20050165248 cake of salt of organic or oxygen-containing inorganic acid or alkoxide reactant on filter element flowed through by solution of acid halide or alkyl halide reactant; insoluble halide salt formed remains on on the filter element |
| 07/28/2005 | DE10361456A1 Preparation of (meth)acrolein and (meth)acrylic acid by catalytic oxidation of hydrocarbon precursors, using reactor divided by vertical thermal plates and fitted with sensors to monitor temperature |
| 07/27/2005 | EP1557406A1 Process for the selective (AMM) oxidation of lower molecular weight alkanes and alkenes |
| 07/27/2005 | EP1556497A2 Isolation of carboxylic acids from fermentation broth |
| 07/27/2005 | EP1556461A1 Multiple riser reactor with centralized catalyst return |
| 07/27/2005 | EP1556337A1 Method for the production of a multi-metal oxide material |
| 07/27/2005 | EP1556329A1 Composition and method for preventing fouling in (meth)acrylic acid processes |
| 07/27/2005 | EP1556328A1 Method for making carboxylic acids |
| 07/27/2005 | EP1556326A1 Method for the alkylation of salicylic acid |
| 07/27/2005 | EP1556323A2 Metal chelates and methods of using them for time-resolved fluorescence |
| 07/27/2005 | EP1428812B1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives |
| 07/27/2005 | EP1414384A4 Synthesis of epothilones and relates analogs |
| 07/27/2005 | EP1268388B1 Method of removing organic iodides from organic media |
| 07/27/2005 | CN1646466A (meth)acrylic acid crystal and method for the production and purification of aqueous (meth)acrylic acid |
| 07/27/2005 | CN1646465A Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation |
| 07/27/2005 | CN1646464A Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids |
| 07/27/2005 | CN1646459A Method for producing ethers, esters or acid anhydrides |
| 07/27/2005 | CN1646457A Liquid vegetable unsaturated alcohol and process for producing the same |
| 07/27/2005 | CN1646426A Metallized mesoporous silicate and method of oxidation with the same |
| 07/27/2005 | CN1212314C Process for producing fluorosulfonyl fluoride compound |
| 07/27/2005 | CN1212303C Method for synthesizing conjugated linoleic acid using mixed solvent |
| 07/27/2005 | CN1212302C Method for producing methacrylic acid |
| 07/27/2005 | CN1212301C Method for mfg. methacylic acid |
| 07/27/2005 | CN1212197C Catalytic system used for homogeneous hydroxylation reaction and its manufacturing method and application |
| 07/27/2005 | CN1212176C Method for recovering fluorochemical surfactant |
| 07/26/2005 | US6921837 Process for the purification and preparation of acrylic acid or methacrylic acid |
| 07/26/2005 | US6921836 Oxidation catalysts comprising blends of molybdenum, vanadium, copper and antimony oxides and optionally other metal oxides, used for gas phase oxidation of acrolein to form acrylic acid |
| 07/26/2005 | US6921832 Optically active fluorine-containing compounds and processes for their production |
| 07/26/2005 | US6921830 Separation of low boiling and high boiling fractions from gas mixtures, then distilling and reusing |
| 07/26/2005 | CA2267419C A process for the recovery of lactic acid from aqueous lactate salt solutions, involving the use of ion exchangers |
| 07/26/2005 | CA2131571C Bisphosphines for asymmetric hydrogenation catalysts |
| 07/21/2005 | WO2005066109A1 A process for the preparation of 2-hydroxy carboxylic acids |
| 07/21/2005 | WO2005066106A2 Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
| 07/21/2005 | WO2005065825A1 Method for preparing composite oxide catalyst and composite oxide catalyst |
| 07/21/2005 | WO2005065822A1 Novel heteropolyacid catalyst and method for producing the same |
| 07/21/2005 | WO2005051880A3 Continuous production of chlorodifluoroacetyl fluoride via chlorotrifluoroethylene oxidation |
| 07/21/2005 | US20050159620 production of a composite oxide catalyst containing at least molybdenum, bismuth and iron to be used in gas phase catalytic oxidation involving controlling the amount of moisture contained to a level of at most 0.5 wt % as the loss on drying of the catalyst during production or storage |
| 07/21/2005 | US20050159619 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and process for producing the same |
| 07/21/2005 | US20050159618 Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of C3 and/or C4 precursor compounds |
| 07/21/2005 | US20050159617 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 07/21/2005 | US20050159616 From slurry containing terephthalic acid, isophthalic acid, naphthalene dicarboxylic acid, and/or trimellitic acid via countercurrent wash |
| 07/21/2005 | US20050159610 Esterification of a polyol such as propylene glycol and a fatty acid ester (vegetable oil fatty acid methyl ester) in the presence of a catalyst and a borohydride; does not require molecular distillations or decoloration steps |
| 07/21/2005 | US20050159578 Routing a purified water-wet carboxylic acid cake to a vapor seal zone; and adding a diol that displaces water from the cake, producing the mixture without isolation of a dry carboxylic acid solid; the vapor seal zone prevents the diol from entering any zone proceeding the zone |
| 07/21/2005 | US20050159480 Preparation of statins by reacting (trisubstituted phosphoranylidenecarbonyl)acetates with benzaldehydes, reduction with diamino-group 8 metal coordinates, condensation with 1-hydroxy-1-alkoxyethylenes, hydrolysis, and optionally converting the carboxy acid product into a salt or a lactone |
| 07/21/2005 | US20050159305 Catalyst for dehydrogenating primary alcohols |
| 07/21/2005 | US20050158414 Subjecting birch bark to at least one of fragmentation and pelletization to provide a combination of outer birch bark shreds and inner birch bark chunks or outer birch bark pellets and inner birch bark chunks; and separating the outer birch bark sheds or outer birch bark pellets from the inner birch bark |
| 07/21/2005 | DE10301040B4 Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation Purification of a monomer by extraction with a phase former and crystallization |
| 07/21/2005 | CA2546018A1 Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
| 07/20/2005 | EP1554248A2 Process for production of fluoroalkoxy-substituted benzamides and their intermediates |
| 07/20/2005 | EP1554234A1 Method for the production of acrylic acid |
| 07/20/2005 | EP1242354B1 Method and device for cooling a hot reactor gas, for example in the production of phthalic anhydride |
| 07/20/2005 | EP1208072B1 Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile |
| 07/20/2005 | EP1183101B1 Vanadium/phosphorus mixed oxide precursor and catalyst and their preparation |
| 07/20/2005 | CN1642946A Maleic acid salt of(2s)-N-{5-[amino(imino)methyl]-2-thienyl}methyl-1-{(2R)-2-[(carboxymethyl)amino]-3, 3-diphenylpropanoyl}-2-pyrrolidine carboxamide and a process for preparing same |
| 07/20/2005 | CN1642897A Methods of manufacturing derivatives of beta-hydroxycarboxylic acids |
| 07/20/2005 | CN1642896A Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid, the esters and/or nitriles thereof |
| 07/20/2005 | CN1642895A Method for producing 3-hydroxy-2-methylbenzoic acid |
| 07/20/2005 | CN1642894A Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent |
| 07/20/2005 | CN1642880A Oligomerization of olefins |
| 07/20/2005 | CN1642646A Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore |
| 07/20/2005 | CN1642641A Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
| 07/20/2005 | CN1642640A Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
| 07/20/2005 | CN1640865A Hydroxy aluminium oxalate, and its preparing method and hydroxy aluminium oxalate as fire retardant |
| 07/20/2005 | CN1640864A Novel flow chart for preparing acetic acid, methanol and dimethyl ether from methane by non synthetic gas process |
| 07/20/2005 | CN1640861A Alkane, alkene and substituted arene catalytic oxidation disproportionation for preparing acid and its derivatives |
| 07/20/2005 | CN1640543A Positive-negative ion type bimetal catalyst, and its preparing method and use |
| 07/20/2005 | CN1640542A Rhodium-neodymium bimetal multi-phase catalyst, and its preparing method and use |
| 07/20/2005 | CN1211343C Process for producing maleic anhydride through gas phase oxidizing reaction in the presence of catalyst |
| 07/20/2005 | CN1211342C Oxidizing process for hydrocarbon, alcohol and/or ketone |
| 07/20/2005 | CN1211339C Method for production of acrolein or acrylic acid or mixture thereof from propane |
| 07/19/2005 | US6919480 A chemical intermediate process including perfluorination, deesterification, irradiating with ultraviolet light, pyrolyzing to form a compounds, use as starting monomer for making a fluoropolymers |
| 07/19/2005 | US6919479 Process for the preparation of perfluoropolyethers acyl-fluoride ended by reduction of the corresponding peroxidic perfluoropolyethers |
| 07/19/2005 | US6919478 Reaction tube, process for producing catalyst and process for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 07/19/2005 | US6919474 Cracking of neo-C9 and neo-C13 carboxylic acids to either pivalic acid or methyl pivalate |
| 07/19/2005 | US6919472 Catalyst compositions for the selective conversion of alkanes to unsaturated carboxylic acids, methods of making and methods of using thereof |
| 07/19/2005 | US6919295 Oxidation catalysts on supports used for oxidation or ammoxidation of hydrocarbons to unsaturated carboxylic acids or nitriles; catalyst selectivity |
| 07/16/2005 | CA2493171A1 Methods for the preparation of polyol esters that are light in color |
| 07/14/2005 | WO2005063956A1 Method for the preparation of conjugated linoleic acid |
| 07/14/2005 | WO2005063676A1 Method for the production of (meth)acrolein and/or (meth)acrylic acid by means of heterogeneously catalyzed partial oxidation of c3 and/or c4 precursor compounds |
| 07/14/2005 | WO2005063674A1 Methof of producing unsaturated aldehyde and/or unsaturated acid |
| 07/14/2005 | WO2005063673A1 Method of producing unsaturated aldehyde and/or unsaturated fatty acid |
| 07/14/2005 | WO2005063672A1 A process for producing an unsaturated carboxylic acid from an alkane |
| 07/14/2005 | WO2005063396A1 Method and apparatus for manufacturing composite oxide catalyst |
| 07/14/2005 | US20050154233 Disproportionation of a N-oxy-2,2,6,6-tetramethylpiperidine or N-oxy-2,2,5,5-tetramethylpyrrolidine; separation of the protonated hydroxylamine from the nitrosonium compound using a hydrophobic resin; recyclable oxidation catalysts for carbohydrate oxidation |
| 07/14/2005 | US20050154229 Salt formation from the free base and maleic acid in the presence of an alcohol solvent to obtain the amorphous salt form, and then recrystallization; thrombin inhibitors with optimal solubility and no deliquescence |
| 07/14/2005 | US20050154228 A feed line continuously supplies carbon monoxide to a pressurized catalytic carbonylation system containing a lower alkanol to produce carboxylic acids; acetic acid synthesis; minimal pressure fluctuations |
| 07/14/2005 | US20050154214 Formed by heating vanadium pentoxide suspended in liquid with solution of silver salt, and isolating the product; spray drying; filtering; drying; for production of catalysts for gas-phase partial oxidation of aromatic hydrocarbons |
| 07/14/2005 | US20050154209 Novel optically active compounds, method for kinetic optical resolution of carboxylic acid derivatives and catalysts therefor |
| 07/14/2005 | US20050154179 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 07/14/2005 | US20050153996 Compounds that modulate ppar activity and methods for their preparation |
| 07/14/2005 | US20050153834 for heterogeneously catalyzed gas-phase oxidation of butane to maleic anhydride; calcining vanadium, phosphorus and oxygen containing precursor particles having an averaged diameter of at least 2 mm moving at a steady speed; controlled variation over time of gas temperature in relation to set point value |
| 07/14/2005 | US20050153831 Ia or IIa and transition metal phosphomolybdate; adding nitric acid to a solution of (NH4)6Mo7O24, (NH4) VO4, and H3PO4, adding a transition metal carbonate and an alkali or alkaline earth metal carbonate to the solution, and drying and calcining; used for oxidation of methacryolein to methacrylic acid |
| 07/14/2005 | US20050152929 Liquid vegetable unsaturated alcohol and process for producing the same |
| 07/14/2005 | DE10360396A1 Continuous gas phase partial oxidation of an organic compound e.g. acrolein involves introducing the compound along with compressed charging gas comprising molecular oxygen into the reactor under heterogeneously catalyzed condition |
| 07/13/2005 | EP1553076A1 Process for producing diol derivative |
| 07/13/2005 | EP1551789A1 Intermediates in the preparation of therapeutic fused bicyclic amino acids |
| 07/13/2005 | EP1551788A1 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 07/13/2005 | EP1551787A1 Method of producing trimellitic acid |
| 07/13/2005 | EP1551426A2 Methods of administering fgf18 |
| 07/13/2005 | EP1232137B1 Purification of aqueous solutions of organic acids |